Chapter Three Programming
21
Part 1 Programming
3.3 Dimension Word
The dimension word decides the movement of tool, which is composed some commands relative
to the numerical value by the address of movement axis and the numerical value indicates the
movement direction and quantity. They may vary from the absolute and increment modes. (See the
Section 3.3.8)
Dimension word address
Meaning
Basic axis
X
、
Y
、
Z
The address in the Cartesian coordinate system of each
axis indicates the position of axis or the distance along the
axis direction.
Additional axis A
、
B
、
C
、
U
、
V
、
W
The address of the 4
th
or 5
th
axis, which means an angle of
rotation axis or a position and a distance of linear axis
separately.
R
Specify a circular radius
Circular arc
interpolation
parameter
I
、
J
、
K
It means that the distance from start to circular center along
the X, Y and Z axes or its parallel axis.
3.3.1 Controlled axis
The machine movement axis controlled by the NC system is called controlled axis.
Each controlled axis can be called using the dimension word address of this device.
The numbers of standard axis controlled by NC system are 3 axes (X, Y and Z) and can be
added to the 4
th
axis or the 5
th
axis.
The additional axis can be used any of the addresses, such as, A, B, C, U, V or W, it is better to
use A, B and C for the rotation axis, and use U, V and W for the linear axis.
The numbers of controlled axis can be controlled at the same block which is 3 axes. The number
of simultaneously controllable axes can be added to 4 by the additional axis selection, the additional
axis by controlling singly is only used for the simultaneous 3 axes control. The 3 axes control with an
additional axis can be carried out, after the function of additional axis control is selected.
The numbers of simultaneous controlled axes
The numbers of
controlled axes
Simultaneous 3
axes selection
Simultaneous 3 axes sel
additional axes simultaneous
controlled selection
Simultaneous 4
axes selection
3
4
5
3
X
、
Y
、
Z
3
(The additional axis included)
4
Note 1: When an additional axis control function does not performed, if an additional axis (A, B, C, U, V or
W) is carried out, the No.17 alarm may occur.
Note 2: The numbers of simultaneous axes are always 2 axes during the manual operation.
Note 3: The following functions can not be performed when the system has the 5
th
axis.
①
Never attempt to perform the thread cutting and synchronous feed.
②
Never attempt to add the S4 digit analog output function (The spindle DA (digital-analog
conversion) module substitutes for the output analog function).
The constant surface speed con
③
trol function can not be added.
Do not perform the rigid tapping function
④
The real
⑤
-time spindle actual speed can not be displayed.
The coordinate axes and motion symbols
If the relationships between machine coordinate axis and tool movement symbol are provided
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Страница 133: ...Chapter Three Programming 121 Part 1 Programming Rapid traverse Cutting feed 6 G82 Drilling cycle boring ...
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Страница 297: ...Appendix 285 APPENDIX Appendix 1 System Version Display The system version is displayed immediately after power on ...
Страница 371: ...Appendix 11 USB Interface Parameter Transfer Operation ...